Schools that received D and F grades, as well as those that consistently receive C grades, will be investigated by the city Department of Education.
New regulations for splitting the test could cost the state millions and hurt graduation rates, though Regents believes it could ultimately help students.
Teachers in the same school settings in different districts could receive different grades, and educators are worried about what that will mean for their jobs.
Opening 55 new schools and rearranging special needs students are some of Dennis Walcott's ambitious reform ideas.